SUSPICIOUS — 8ecf36db85061b1e1f02ba9b9b7bd0577713cbe078301340ace9c0ba0c24cf17
SUSPICIOUS — 8ecf36db85061b1e1f02ba9b9b7bd0577713cbe078301340ace9c0ba0c24cf17 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8ecf36db85061b1e1f02ba9b9b7bd0577713cbe078301340ace9c0ba0c24cf17 - SHA-1:
ac7989821a18722ac0c1b5e405dbc59b31f42779 - MD5:
f67d3d754cf2a8b6c0f8da8543d992a4 - ssdeep:
1536:3ghK6UrsaaqjrxKGLjQu84wwwwwwN+GW+pygSbJV3cW:QhNbf+KGLjQGwwwwwwNpWzbgW - TLSH:
T1C235E11F3238DB88D4C230AB15BC9FAC529CEBF83629FC8355D1D5A997451B9CE401A2 - Submitted as: 8ecf36db85061b1e1f02ba9b9b7bd0577713cbe078301340ace9c0ba0c24cf17
- File type: pdf · Size: 61720 bytes
- Verdict: suspicious (64/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://app.lawnealrosenbergspart.xyz?e=facbillers@pharmscript.com - static signal, weight 0.35, confidence 0.60
- Document active content: uri-action - static signal, weight 0.30, confidence 0.60
- Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
- Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9573 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f57433aa495b6c46d6e5d35643881f86.png -
326f92f829dc0908f795d78e24df878688ff06ea6bc32fa221be4fbef7294591 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
4da2f39a204e10020c485c30630dac6553610bd348cd859618af82ca15ef2716 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://app.lawnealrosenbergspart.xyz?e=facbillers@pharmscript.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787918482&P2=404&P3=2&P4=P0d4r1PKKIH93wtoXK3Mopc8Hu9citsXvKn80n5YnmQrICJjDlriNYaFidfQLg0D1We5rItQ%2focR7xqhrYx5dQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787918547&P2=404&P3=2&P4=DK%2b8V2aL%2fiKJYGRGSb1iImkQ1OZNHrOatLfwxrR3o9lrf71cBaD0O9LZ2YtHcfY4LIzMNiOhGAAgaqxQ%2fEYcPg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- app.lawnealrosenbergspart.xyz
- pharmscript.com
Embedded IP addresses
- 20.42.65.94
- 52.168.117.171
- 40.79.163.155
- 52.110.12.2
- 52.110.12.26
- 57.155.104.224
- 4.230.171.124
- 20.42.65.91
- 74.179.77.204
- 52.123.128.14
- 52.182.141.63
- 135.232.92.34
- 203.26.79.13
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report